RRA4G30E-F17C2I by Annovi Reverberi — RRA Series Electric Motor Triplex Plunger Pump with Gymatic Unloader and Chemical Injector | 4.0 GPM | 3,000 PSI | 1,750 RPM | NEMA 182-184 Flange | 1-1/8″ Hollow Shaft | Bronze Connecting Rods
The RRA4G30E-F17C2I by Annovi Reverberi is a commercial-grade RRA Series electric motor triplex ceramic plunger pump engineered specifically for electric motor-driven pressure washing systems requiring 4.0 GPM volume, 3,000 PSI cleaning pressure, and integrated downstream chemical application capability. Rated at 4.0 GPM and 3,000 PSI at 1,750 RPM, the RRA4G30E-F17C2I delivers 12,000 cleaning units through a NEMA 182-184 F17 bell housing flange with 1-1/8″ hollow bore shaft that close-couples directly to standard NEMA 182-184 frame electric motors — the industry-standard electric motor frame specification for commercial pressure washing and industrial wash system installations.
The RRA4G30E-F17C2I‘s 1,750 RPM operating speed is the defining characteristic that sets this pump apart from every gas and diesel engine-driven pump in this lineup. Where gas engine pumps operate at 3,400 RPM, the RRA4G30E-F17C2I runs at half that speed — matched to the output shaft speed of standard 2-pole NEMA frame electric motors. This lower RPM operating point reduces plunger reciprocation speed, lowers seal contact velocity, reduces vibration, and extends the service intervals of internal wear components — making the RRA4G30E-F17C2I the preferred specification for fixed wash station installations, indoor facility systems, automated bay environments, and any application where electric power, quieter operation, and reduced vibration are operational requirements.
Built by Annovi Reverberi in Modena, Italy — with US-based operations, a domestic parts distribution network, and dedicated AR North America technical support — the RRA4G30E-F17C2I arrives as a complete, factory-tested assembly. Pre-filled with AR break-in oil, equipped with a Gymatic 3/B unloader and active downstream chemical injector, and packaged with mounting bolts and fasteners, a vented dipstick, operator’s manual, and full parts schematic, this pump is ready to install from the moment it arrives. Protected by a 5-year US limited warranty through AR North America and built to be fully rebuilt rather than replaced, the RRA4G30E-F17C2I is a long-term investment in a commercial electric motor pump platform capable of a decade of productive service life.
Decoding the RRA4G30E-F17C2I Model Number
What Every Segment of This AR Pump Designation Tells You
The RRA4G30E-F17C2I encodes pump series, output, shaft version, flange interface, unloader family, and injector configuration directly. Reading each segment before specifying confirms electric motor compatibility, NEMA frame requirement, and full pump configuration:
- RRA — Pump series: RRA Series triplex plunger pump — AR’s dedicated electric motor platform variant, distinct from the RRV (gas/diesel), RKV, XMV, and SXMV Series. The RRA Series is engineered around the lower RPM operating characteristics and NEMA frame coupling requirements of electric motor drives.
- 4G30 — Performance rating: 4.0 GPM flow rate at 3,000 PSI maximum operating pressure — 12,000 cleaning units
- E — Shaft version: Electric motor shaft — hollow bore configured for direct coupling to NEMA frame electric motor output shafts
- F17 — Flange type: NEMA 182-184 bell housing flange for RRA Series ‘E’ version pumps (AR part AR41882). The F17 is a complete assembled flange that includes the oil seal, bearing, and flange hardware for close coupling to standard NEMA 182-184 frame electric motors with a 1-1/8″ I.D. shaft bore.
- C2 — Unloader code: Gymatic (C2 = Gymatic per AR suffix designation) — Gymatic 3/B series internal bypass unloader, brass body, adjustable pressure regulation, rated to 3,650 PSI and 3–4 GPM. Provides 650 PSI of operating headroom above the RRA4G30E-F17C2I’s 3,000 PSI output — well within AR’s accepted 15% upside variance.
- I — Chemical injector: Included — a downstream soap and chemical injector is integrated into the Gymatic unloader assembly, enabling low-pressure detergent application without a separate injector fitting
1,750 RPM — Why Electric Motor Speed Changes Everything
The RRA4G30E-F17C2I‘s 1,750 RPM operating speed is not simply a different number from the 3,400 RPM of gas engine pumps — it represents a fundamentally different operating regime with distinct engineering advantages:
- Half the plunger reciprocation speed — at 1,750 RPM the three ceramic plungers in the RRA4G30E-F17C2I reciprocate at half the speed of a 3,400 RPM gas engine pump. Lower plunger velocity means lower seal contact speed, reduced friction heat generation at seal interfaces, and proportionally extended seal service life under equivalent operating hours.
- Reduced vibration and noise — lower rotational speed produces significantly less vibration than high-speed gas engine pumps, making the RRA4G30E-F17C2I appropriate for indoor installations, enclosed wash bays, food processing facilities, and other environments where noise and vibration levels affect operations or regulatory compliance.
- Consistent motor speed — electric motors deliver a consistent, governed output shaft speed independent of load variations. Unlike gas engines that vary in RPM under changing pump loads, the NEMA motor driving the RRA4G30E-F17C2I maintains 1,750 RPM with tight speed stability, producing more consistent pressure output across varying demand cycles.
- No fuel, exhaust, or warm-up requirements — electric motor-driven systems running the RRA4G30E-F17C2I operate without gasoline storage, exhaust ventilation requirements, or cold-weather warm-up procedures — advantages in fixed indoor installations and enclosed facility environments where internal combustion engines cannot safely operate.
Key Specifications
RRA4G30E-F17C2I Technical Details at a Glance
- Flow Rate: 4.0 GPM (gallons per minute)
- Maximum Pressure: 3,000 PSI
- Cleaning Units: 12,000 (GPM × PSI)
- Operating Speed: 1,750 RPM — matched to standard 2-pole NEMA frame electric motor output shaft speed
- Pump Type: RRA Series triplex ceramic plunger pump — three-piston crankshaft-driven design for smooth, consistent high-pressure output at electric motor operating speed
- Crankshaft Bore: 1-1/8″ hollow keyway — direct engagement with NEMA 182-184 frame electric motor output shaft
- Manifold Material: Forged brass — dense, pore-free construction for corrosion resistance and sustained 3,000 PSI cycle integrity
- Plungers: Solid ceramic — exceptional hardness, wear resistance, and thermal shock resistance across extended commercial operating hours
- Connecting Rods: Bronze — premium fatigue strength and wear resistance at 4.0 GPM / 3,000 PSI / 1,750 RPM continuous duty
- Valves: Stainless steel — precise seating geometry, scale resistance, and reliable performance under continuous 3,000 PSI cycling
- Housing: Reinforced — heavy-duty construction for continuous-duty operation
- Flange: F17 — NEMA 182-184 bell housing flange for RRA Series ‘E’ version, 1-1/8″ I.D. shaft bore, assembled with oil seal, bearing, and flange hardware (AR part AR41882)
- Unloader System: Gymatic 3/B series (C2 code) — brass-body internal bypass unloader, adjustable pressure regulation, rated to 3,650 PSI and 3–4 GPM
- Chemical Injector: Included — downstream venturi injector integrated into Gymatic unloader assembly (“I” suffix confirmed)
- Warranty: 5-year limited warranty — US-based coverage through AR North America with domestic parts and service support
What’s Included in the Box
A Complete, Factory-Configured RRA4G30E-F17C2I Assembly Ready for Installation
Every RRA4G30E-F17C2I ships fully assembled and field-ready:
- Factory-installed Gymatic 3/B unloader (C2) with active chemical injector — pre-mounted with integrated downstream injector ready for detergent supply line connection on the RRA4G30E-F17C2I
- F17 NEMA 182-184 bell housing flange (AR41882) — assembled with oil seal, bearing, and flange hardware for direct close-coupling to compatible NEMA 182-184 frame electric motors
- AR factory break-in oil — crankcase pre-filled to the correct operating level for first startup without modification
- Vented dipstick — enables fast, accurate crankcase oil level checks while maintaining proper crankcase pressure relief during operation
- Clear oil sight glass — at-a-glance oil level monitoring without removing the dipstick cap
- Mounting bolts and fasteners — hardware pre-selected and sized for F17 NEMA 182-184 flange installation on compatible electric motors
- Operator’s manual — complete installation, startup, operating, and maintenance procedures for the RRA4G30E-F17C2I including oil change intervals, winterization protocol, and chemical injector care
- Parts schematic — exploded-view diagram with AR part numbers for every serviceable RRA4G30E-F17C2I component for field and shop reference
- Factory test certification — every RRA4G30E-F17C2I load-tested at 50%, 100%, and 150% of rated output before leaving the AR manufacturing facility
F17 NEMA 182-184 Bell Housing Flange — Direct Electric Motor Coupling
Industry-Standard NEMA Frame. Assembled with Oil Seal and Bearing. No Adapter Required.
The F17 flange on the RRA4G30E-F17C2I is AR’s NEMA 182-184 bell housing assembly for the RRA Series ‘E’ version — a complete coupling solution that includes the oil seal, bearing, and flange hardware as a pre-assembled unit:
- NEMA 182-184 frame compatibility — the F17 flange accepts NEMA 182 and 184 frame electric motors directly, covering the standard motor frame size range used across most commercial and industrial pressure washing electric installations in the 5–7.5 HP class appropriate for this pump’s 3,000 PSI / 4.0 GPM / 1,750 RPM duty point
- 1-1/8″ I.D. hollow bore — the crankshaft accepts the NEMA motor’s 1-1/8″ output shaft directly into the hollow bore for close-coupling without adapters
- Assembled with oil seal and bearing (AR41882) — unlike bare flange plates that require separate oil seal and bearing installation, the F17 on the RRA4G30E-F17C2I ships fully assembled with all coupling hardware. Motor alignment, shaft engagement, and oil seal protection are all addressed in the pre-assembled flange unit.
- Direct close-coupling — the RRA4G30E-F17C2I mounts face-to-face against the electric motor with no intermediate coupling, belt, or jackshaft required in a standard NEMA 182-184 installation
- Fixed wash station compatibility — the NEMA 182-184 frame standard covers the broadest range of commercial electric motors used in fixed wash stations, automated bay systems, industrial facility wash systems, and indoor commercial cleaning installations
The Gymatic Unloader at 3,000 PSI — 650 PSI Headroom with Integrated Chemical Feed
Set It. Lock It. Chemical Capable. Consistent Electric Motor Regulation.
The Gymatic 3/B unloader (C2) on the RRA4G30E-F17C2I is rated to 3,650 PSI — providing 650 PSI of operating headroom above the pump’s 3,000 PSI output. On an electric motor installation the tamper-resistant pressure lock is particularly valuable:
- Consistent regulation with stable motor speed — because electric motors deliver consistent 1,750 RPM shaft speed without the RPM variation of gas engines under load, the Gymatic unloader on the RRA4G30E-F17C2I operates in a more stable flow and pressure environment, producing more predictable bypass regulation behavior across continuous production wash cycles
- 650 PSI of operating headroom — the Gymatic 3/B at 3,000 PSI operates well within its rated envelope, maintaining stable bypass regulation and extended unloader service life at this duty point
- Tamper-resistant once set — locked pressure maintained consistently across every operator, every shift, and every production cycle in fixed wash station and facility installations where multiple operators use the same equipment
- Internal bypass operation — trigger-off bypass smoothly redirects the full 4.0 GPM flow, preventing deadhead pressure spikes during idle intervals in automated and semi-automated wash system configurations
- Integrated downstream chemical injector — the venturi injector draws detergent, degreaser, or pre-soak solution from a supply container when the RRA4G30E-F17C2I operator switches to low-pressure application mode. No separate injector hardware required.
- Brass body construction — resists corrosion from cleaning chemicals, chlorinated water, and sustained indoor facility exposure
Bronze Connecting Rods — Premium Internal Construction at 1,750 RPM
Continuous Duty at Electric Motor Speed. Lower RPM Does Not Mean Lower Load.
The RRA4G30E-F17C2I‘s bronze connecting rods provide premium crankcase performance at the commercial continuous-duty operating point of 3,000 PSI / 4.0 GPM / 1,750 RPM:
- Continuous duty cycle advantage — electric motor-driven wash systems frequently operate at higher continuous duty cycles than gas engine units, which are typically cycled on and off between jobs. The RRA4G30E-F17C2I’s bronze connecting rods provide the fatigue resistance required for sustained continuous operation at 1,750 RPM across extended daily service periods.
- Wear resistance at bearing interfaces — bronze’s tribological properties reduce wear at connecting rod bearing surfaces across the high total operating hour counts typical of fixed installation commercial electric wash systems
- Long-term rebuild value — as a fully rebuildable platform, the RRA4G30E-F17C2I’s bronze connecting rods reduce the frequency of crankcase component replacement across a decade of commercial electric motor wash system service life
Typical Applications
Where the RRA4G30E-F17C2I Delivers Best Results
- Fixed commercial wash stations — 4.0 GPM / 3,000 PSI output from the RRA4G30E-F17C2I driven by a NEMA 182-184 electric motor for vehicle wash bays, fleet wash facilities, and commercial self-serve wash stations where electric power, consistent output, and no exhaust are all operational requirements
- Indoor industrial facility washdown — manufacturing plant equipment, production machinery, and facility surfaces where the RRA4G30E-F17C2I’s electric motor compatibility eliminates internal combustion exhaust concerns in enclosed spaces
- Automated and semi-automated wash systems — wash bay systems where consistent 1,750 RPM electric motor speed and stable Gymatic pressure regulation on the RRA4G30E-F17C2I support automated trigger cycling and production wash programming
- Fleet washing in covered facilities — enclosed truck terminals, transit depot wash bays, and indoor fleet maintenance facilities where the RRA4G30E-F17C2I’s electric drive eliminates fuel storage, exhaust management, and engine noise concerns
- Food processing and agricultural facility washdown — environments where electric motor drive on the RRA4G30E-F17C2I eliminates combustion exhaust contamination risk and where reduced vibration and noise levels support facility standards
- Concrete and surface cleaning in enclosed areas — parking structures, enclosed loading docks, and interior warehouse floors where electric-powered cleaning equipment is required by facility management or building code
- Commercial contractor operations with electric power access — contractors operating at sites with reliable electric power who prefer electric-driven cleaning systems for the quieter operation, consistent output, and reduced maintenance of the RRA4G30E-F17C2I vs gas engine alternatives
5-Year US Warranty, Full Rebuildability, and Wholesale Pricing
Electric Motor Commercial Platform Backed by Domestic Support
The RRA4G30E-F17C2I is protected by Annovi Reverberi’s 5-year limited warranty through AR North America’s US-based warranty and service network. Every internal wear component of the RRA4G30E-F17C2I — solid ceramic plungers, bronze connecting rods, brass manifold seals and o-rings, stainless valve seats and springs, Gymatic 3/B unloader service parts, F17 flange bearing and oil seal, and crankcase bearings — is stocked domestically through AR’s authorized distribution channels.
With consistent maintenance — break-in oil change at 50 hours, scheduled oil changes every 500 hours or 3–5 months, regular valve and seal inspection at service intervals appropriate for continuous-duty electric motor operation, chemical injector circuit flushing with clean water after every detergent session, and proper winterization using RV-grade environmentally safe antifreeze — the RRA4G30E-F17C2I is engineered for 10 or more years of productive commercial service life. AR North America’s domestic parts depth ensures rebuild kits, plunger sets, and Gymatic unloader service components for the RRA4G30E-F17C2I are typically available same-week.
Contractors, facility managers, municipal purchasing departments, resellers, and volume buyers are invited to contact wholesale@wshpwr.com for wholesale and special pricing on the RRA4G30E-F17C2I and the complete Annovi Reverberi pump and unloader assembly line. WSHPWR maintains one of the most complete AR North America inventories available through any US web store — with thousands of AR products in stock and a continually expanding catalog.
12,000 Cleaning Units. 3,000 PSI. 4.0 GPM. 1,750 RPM. NEMA 182-184. Electric Motor Ready.
Italian Engineering. Electric Motor Optimized. US Warranty Coverage.
For facility managers, commercial operators, municipal services, and contractors who need a professional-grade triplex pump platform matched to NEMA 182-184 frame electric motors — delivering 4.0 GPM at 3,000 PSI at the consistent low-vibration 1,750 RPM speed of electric motor drives, with integrated Gymatic pressure regulation and downstream chemical injection capability — the RRA4G30E-F17C2I delivers a factory-tested, fully documented, and completely rebuildable RRA Series assembly from one of the global pressure pump industry’s most trusted manufacturers. Twelve thousand cleaning units. NEMA 182-184 direct coupling. One and one-eighth inch hollow shaft. Gymatic bypass with integrated injector. Bronze connecting rods. Five years of US warranty. A decade of service life.
Volume buyers, resellers, and facility procurement departments can reach the WSHPWR wholesale team directly at wholesale@wshpwr.com to discuss pricing for quantity purchases across the complete Annovi Reverberi lineup — including pumps, unloader assemblies, and service parts.





Reviews
There are no reviews yet.